package com.raytoo.module.sys.controller;


import java.util.List;

import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import com.google.code.kaptcha.Constants;
import com.raytoo.common.controller.BaseController;
import com.raytoo.common.exception.InvalidKaptchaException;
import com.raytoo.common.node.MenuNode;
import com.raytoo.common.persistence.dao.UserMapper;
import com.raytoo.common.persistence.model.User;
import com.raytoo.core.log.LogManager;
import com.raytoo.core.log.factory.LogTaskFactory;
import com.raytoo.core.shiro.ShiroKit;
import com.raytoo.core.shiro.ShiroUser;
import com.raytoo.core.util.ToolUtil;
import com.raytoo.module.sys.dao.MenuDao;

import static com.raytoo.core.support.HttpKit.getIp;

@Controller
public class LoginController extends BaseController {

	@Autowired
	MenuDao menuDao;
	
	@Autowired
	UserMapper userMapper;
	
	/**
	 * 跳转到主页
	 */
	@RequestMapping(value = "/", method = RequestMethod.GET)
	public String index(Model model) {
		//获取菜单列表
		List<Integer> roleList = ShiroKit.getUser().getRoleList();
		if(roleList == null || roleList.size() == 0){
			ShiroKit.getSubject().logout();
			model.addAttribute("tips", "该用户没有角色，无法登陆");
			return "/login";
		}
		List<MenuNode> menus = menuDao.getMenusByRoleIds(roleList);
		List<MenuNode> titles = MenuNode.buildTitle(menus);
		model.addAttribute("titles", titles);
		
		//获取用户头像
		Integer id = ShiroKit.getUser().getId();
		User user = userMapper.selectById(id);
		String avatar = user.getAvatar();
		model.addAttribute("avatar", avatar);
		
		return "/index";
	}
	
	/**
	 * 跳转到登录页面
	 */
	@RequestMapping(value = "/login", method = RequestMethod.GET)
	public String login() {
		if (ShiroKit.isAuthenticated() || ShiroKit.getUser() != null) {
			return REDIRECT + "/";
		} else {
			return "/login";
		}
	}
	
	/**
	 * 点击登录执行的动作
	 */
	@RequestMapping(value = "/login", method = RequestMethod.POST)
	public String loginVali() {
		
		String username = super.getPara("username").trim();
		String password = super.getPara("password").trim();
		
		//验证验证码是否正确
		if(ToolUtil.getKaptchaOnOff()){
			String kaptcha = super.getPara("kaptcha").trim();
			String code = (String) super.getSession().getAttribute(Constants.KAPTCHA_SESSION_KEY);
			if(ToolUtil.isEmpty(kaptcha) || !kaptcha.equals(code)){
				throw new InvalidKaptchaException();
			}
		}
		
		Subject currentUser = ShiroKit.getSubject();
		UsernamePasswordToken token = new UsernamePasswordToken(username, password.toCharArray());
		token.setRememberMe(true);
		
		currentUser.login(token);
		
		ShiroUser shiroUser = ShiroKit.getUser();
		super.getSession().setAttribute("shiroUser", shiroUser);
		super.getSession().setAttribute("username", shiroUser.getAccount());
		
		LogManager.me().executeLog(LogTaskFactory.loginLog(shiroUser.getId(), getIp()));
		
		ShiroKit.getSession().setAttribute("sessionFlag",true);
		
		return REDIRECT + "/";
	}
	
	/**
	 * 退出登录
	 */
	@RequestMapping(value = "/logout", method = RequestMethod.GET)
	public String logOut() {
		LogManager.me().executeLog(LogTaskFactory.exitLog(ShiroKit.getUser().getId(), getIp()));
		ShiroKit.getSubject().logout();
		return REDIRECT + "/login";
	}
    
}
